<?php
/**
 * author      :chenwenwen
 * createTime  :2020-04-06 16:37
 * description :
 */
namespace app\admin\validate;
use think\Validate;

class AdminUser extends Validate {
    protected $rule = [
        'username'=>'require',
        'password'=>'require',
        'captcha'=>'require|checkCaptcha'
    ];

    protected $message = [
        'username' => '用户名必须',
        'password' => '密码必须',
        'captcha'  => '验证码必须',
    ];

    protected function checkCaptcha($value,$rule,$data = []) {
        if(!captcha_check($value)) return '您输入的验证码不正确';
        return true;
    }
}